package day02;

public class Int {
    public static void main(String[] args) {
    long a = 2000000000L*30;
        System.out.println(a);
        double b = 3.666666;
        double c = 5.444444;
        double e = c-b;
        System.out.println(1>2);
        System.out.println(e);
        char f1 = '我';
        char f2 = '是';
        char f3 = '你';
        char f4 = '跌';
        System.out.println(f1+""+f2+""+f3+""+f4);
        byte c1=7;
        byte c2=8;
        int c3=c1+c2;//       byte c3=(byte)(c1+c2);
        System.out.println(c3);

    }
}
